43% (1976)

78% (1973)

45% (1976)

56% (1986)

67% (1971)

20% (1977)

56% (1959)

65% (1974)

66% (1969)

58% (1974)

76% (1995)

59% (1965)

53% (2011)

75% (1963)

66% (1967)

65% (1976)

60% (1969)

58% (1993)

48% (1968)

67% (2025)